sass-site/source/assets/css/components/_lists.scss

.sl-c-list {

  &,
  &-horizontal-wrapper ul,
  &-navigation-wrapper ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  &-horizontal-wrapper {

    @include sl-breakpoint--large {

      ul {
        display: flex;
        margin: {
          right: -0.5rem;
          left:  -0.5rem;
        };
      }

      li {
        padding: {
          right: .5rem;
          left:  .5rem;
        };
      }
    }
  }

  &-navigation-wrapper {
    position: relative;

    li {
      margin: .5rem 0;
      line-height: 1.25;
    }

    ul ul { margin: 0 0 0 1rem; }
  }
}

.sl-c-description-list--horizontal {
  margin: {
    right: -1rem;
    left: -1rem;
  };

  &,
  > div { display: flex; }

  > div {
    border-left: 1px solid $sl-color--iron;
    padding: 0 1rem;

    &:first-child { border: 0; }
  }

  dt,
  dd {
    padding-left: 1rem;

    &:first-child { padding-left: 0; }
  }
}